/*
* e-mail-signature-combo-box.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*/
#include "e-mail-signature-combo-box.h"
#include <config.h>
#include <glib/gi18n-lib.h>
#define E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_MAIL_SIGNATURE_COMBO_BOX, EMailSignatureComboBoxPrivate))
#define SOURCE_IS_MAIL_SIGNATURE(source) \
(e_source_has_extension ((source), E_SOURCE_EXTENSION_MAIL_SIGNATURE))
struct _EMailSignatureComboBoxPrivate {
ESourceRegistry *registry;
guint refresh_idle_id;
gchar *identity_uid;
};
enum {
PROP_0,
PROP_IDENTITY_UID,
PROP_REGISTRY
};
enum {
COLUMN_DISPLAY_NAME,
COLUMN_UID
};
G_DEFINE_TYPE (
EMailSignatureComboBox,
e_mail_signature_combo_box,
GTK_TYPE_COMBO_BOX)
static gboolean
mail_signature_combo_box_refresh_idle_cb (EMailSignatureComboBox *combo_box)
{
/* The refresh function will clear the idle ID. */
e_mail_signature_combo_box_refresh (combo_box);
return FALSE;
}
static void
mail_signature_combo_box_registry_changed (ESourceRegistry *registry,
ESource *source,
EMailSignatureComboBox *combo_box)
{
/* If the ESource in question has a "Mail Signature" extension,
* schedule a refresh of the tree model. Otherwise ignore it.
* We use an idle callback to limit how frequently we refresh
* the tree model, in case the registry is emitting lots of
* signals at once. */
if (!SOURCE_IS_MAIL_SIGNATURE (source))
return;
if (combo_box->priv->refresh_idle_id > 0)
return;
combo_box->priv->refresh_idle_id = gdk_threads_add_idle (
(GSourceFunc) mail_signature_combo_box_refresh_idle_cb,
combo_box);
}
static void
mail_signature_combo_box_set_registry (EMailSignatureComboBox *combo_box,
ESourceRegistry *registry)
{
g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
g_return_if_fail (combo_box->priv->registry == NULL);
combo_box->priv->registry = g_object_ref (registry);
g_signal_connect (
registry, "source-added",
G_CALLBACK (mail_signature_combo_box_registry_changed),
combo_box);
g_signal_connect (
registry, "source-changed",
G_CALLBACK (mail_signature_combo_box_registry_changed),
combo_box);
g_signal_connect (
registry, "source-removed",
G_CALLBACK (mail_signature_combo_box_registry_changed),
combo_box);
}
static void
mail_signature_combo_box_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_IDENTITY_UID:
e_mail_signature_combo_box_set_identity_uid (
E_MAIL_SIGNATURE_COMBO_BOX (object),
g_value_get_string (value));
return;
case PROP_REGISTRY:
mail_signature_combo_box_set_registry (
E_MAIL_SIGNATURE_COMBO_BOX (object),
g_value_get_object (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
mail_signature_combo_box_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_IDENTITY_UID:
g_value_set_string (
value,
e_mail_signature_combo_box_get_identity_uid (
E_MAIL_SIGNATURE_COMBO_BOX (object)));
return;
case PROP_REGISTRY:
g_value_set_object (
value,
e_mail_signature_combo_box_get_registry (
E_MAIL_SIGNATURE_COMBO_BOX (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
mail_signature_combo_box_dispose (GObject *object)
{
EMailSignatureComboBoxPrivate *priv;
priv = E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE (object);
if (priv->registry != NULL) {
g_signal_handlers_disconnect_matched (
priv->registry, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, object);
g_object_unref (priv->registry);
priv->registry = NULL;
}
if (priv->refresh_idle_id > 0) {
g_source_remove (priv->refresh_idle_id);
priv->refresh_idle_id = 0;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_mail_signature_combo_box_parent_class)->
dispose (object);
}
static void
mail_signature_combo_box_finalize (GObject *object)
{
EMailSignatureComboBoxPrivate *priv;
priv = E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE (object);
g_free (priv->identity_uid);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (e_mail_signature_combo_box_parent_class)->
finalize (object);
}
static void
mail_signature_combo_box_constructed (GObject *object)
{
GtkListStore *list_store;
GtkComboBox *combo_box;
GtkCellLayout *cell_layout;
GtkCellRenderer *cell_renderer;
/* Chain up to parent's constructed() method. */
G_OBJECT_CLASS (e_mail_signature_combo_box_parent_class)->
constructed (object);
combo_box = GTK_COMBO_BOX (object);
cell_layout = GTK_CELL_LAYOUT (object);
list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
gtk_combo_box_set_model (combo_box, GTK_TREE_MODEL (list_store));
gtk_combo_box_set_id_column (combo_box, COLUMN_UID);
g_object_unref (list_store);
cell_renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (cell_layout, cell_renderer, TRUE);
gtk_cell_layout_add_attribute (
cell_layout, cell_renderer, "text", COLUMN_DISPLAY_NAME);
e_mail_signature_combo_box_refresh (
E_MAIL_SIGNATURE_COMBO_BOX (object));
}
static void
e_mail_signature_combo_box_class_init (EMailSignatureComboBoxClass *class)
{
GObjectClass *object_class;
g_type_class_add_private (
class, sizeof (EMailSignatureComboBoxPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = mail_signature_combo_box_set_property;
object_class->get_property = mail_signature_combo_box_get_property;
object_class->dispose = mail_signature_combo_box_dispose;
object_class->finalize = mail_signature_combo_box_finalize;
object_class->constructed = mail_signature_combo_box_constructed;
g_object_class_install_property (
object_class,
PROP_IDENTITY_UID,
g_param_spec_string (
"identity-uid",
"Identity UID",
NULL,
NULL,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (
object_class,
PROP_REGISTRY,
g_param_spec_object (
"registry",
"Registry",
NULL,
E_TYPE_SOURCE_REGISTRY,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
}
static void
e_mail_signature_combo_box_init (EMailSignatureComboBox *combo_box)
{
combo_box->priv = E_MAIL_SIGNATURE_COMBO_BOX_GET_PRIVATE (combo_box);
}
GtkWidget *
e_mail_signature_combo_box_new (ESourceRegistry *registry)
{
g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
return g_object_new (
E_TYPE_MAIL_SIGNATURE_COMBO_BOX,
"registry", registry, NULL);
}
void
e_mail_signature_combo_box_refresh (EMailSignatureComboBox *combo_box)
{
ESourceRegistry *registry;
GtkComboBox *gtk_combo_box;
GtkTreeModel *tree_model;
GtkTreeIter iter;
ESource *source;
GList *list, *link;
const gchar *extension_name;
const gchar *saved_uid;
g_return_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box));
if (combo_box->priv->refresh_idle_id > 0) {
g_source_remove (combo_box->priv->refresh_idle_id);
combo_box->priv->refresh_idle_id = 0;
}
gtk_combo_box = GTK_COMBO_BOX (combo_box);
tree_model = gtk_combo_box_get_model (gtk_combo_box);
/* This is an interned string, which means it's safe
* to use even after clearing the combo box model. */
saved_uid = gtk_combo_box_get_active_id (gtk_combo_box);
gtk_list_store_clear (GTK_LIST_STORE (tree_model));
extension_name = E_SOURCE_EXTENSION_MAIL_SIGNATURE;
registry = e_mail_signature_combo_box_get_registry (combo_box);
list = e_source_registry_list_sources (registry, extension_name);
/* The "None" option always comes first. */
gtk_list_store_append (GTK_LIST_STORE (tree_model), &iter);
gtk_list_store_set (
GTK_LIST_STORE (tree_model), &iter,
COLUMN_DISPLAY_NAME, _("None"),
COLUMN_UID, "none", -1);
/* The "autogenerated" UID has special meaning. */
gtk_list_store_append (GTK_LIST_STORE (tree_model), &iter);
gtk_list_store_set (
GTK_LIST_STORE (tree_model), &iter,
COLUMN_DISPLAY_NAME, _("Autogenerated"),
COLUMN_UID, E_MAIL_SIGNATURE_AUTOGENERATED_UID, -1);
/* Followed by the other mail signatures, alphabetized. */
for (link = list; link != NULL; link = g_list_next (link)) {
GtkTreeIter iter;
const gchar *display_name;
const gchar *uid;
source = E_SOURCE (link->data);
display_name = e_source_get_display_name (source);
uid = e_source_get_uid (source);
gtk_list_store_append (GTK_LIST_STORE (tree_model), &iter);
gtk_list_store_set (
GTK_LIST_STORE (tree_model), &iter,
COLUMN_DISPLAY_NAME, display_name,
COLUMN_UID, uid, -1);
}
g_list_free_full (list, (GDestroyNotify) g_object_unref);
/* Try and restore the previous selected source, or else "None". */
if (saved_uid != NULL)
gtk_combo_box_set_active_id (gtk_combo_box, saved_uid);
if (gtk_combo_box_get_active_id (gtk_combo_box) == NULL)
gtk_combo_box_set_active (gtk_combo_box, 0);
}
ESourceRegistry *
e_mail_signature_combo_box_get_registry (EMailSignatureComboBox *combo_box)
{
g_return_val_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box), NULL);
return combo_box->priv->registry;
}
const gchar *
e_mail_signature_combo_box_get_identity_uid (EMailSignatureComboBox *combo_box)
{
g_return_val_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box), NULL);
return combo_box->priv->identity_uid;
}
void
e_mail_signature_combo_box_set_identity_uid (EMailSignatureComboBox *combo_box,
const gchar *identity_uid)
{
const gchar *active_id;
g_return_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box));
if (g_strcmp0 (combo_box->priv->identity_uid, identity_uid) == 0)
return;
g_free (combo_box->priv->identity_uid);
combo_box->priv->identity_uid = g_strdup (identity_uid);
g_object_notify (G_OBJECT (combo_box), "identity-uid");
/* If "Autogenerated" is selected, emit a "changed" signal as
* a hint to whomever is listening to reload the signature. */
active_id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (combo_box));
if (g_strcmp0 (active_id, E_MAIL_SIGNATURE_AUTOGENERATED_UID) == 0)
g_signal_emit_by_name (combo_box, "changed");
}
/**************** e_mail_signature_combo_box_load_selected() *****************/
typedef struct _LoadContext LoadContext;
struct _LoadContext {
gchar *contents;
gsize length;
gboolean is_html;
};
static void
load_context_free (LoadContext *context)
{
g_free (context->contents);
g_slice_free (LoadContext, context);
}
static void
mail_signature_combo_box_autogenerate (EMailSignatureComboBox *combo_box,
LoadContext *context)
{
ESourceMailIdentity *extension;
ESourceRegistry *registry;
ESource *source;
GString *buffer;
const gchar *extension_name;
const gchar *identity_uid;
const gchar *text;
gchar *escaped;
identity_uid = e_mail_signature_combo_box_get_identity_uid (combo_box);
/* If we have no mail identity UID, handle it as though
* "None" were selected. No need to report an error. */
if (identity_uid == NULL)
return;
registry = e_mail_signature_combo_box_get_registry (combo_box);
source = e_source_registry_ref_source (registry, identity_uid);
/* If the mail identity lookup fails, handle it as though
* "None" were selected. No need to report an error. */
if (source == NULL)
return;
/* If the source is not actually a mail identity, handle it as
* though "None" were selected. No need to report an error. */
extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;
if (!e_source_has_extension (source, extension_name)) {
g_object_unref (source);
return;
}
extension = e_source_get_extension (source, extension_name);
/* The autogenerated signature format is:
*
* <NAME> <ADDRESS>
* <ORGANIZATION>
*
* The <ADDRESS> is a mailto link and
* the <ORGANIZATION> line is optional.
*/
buffer = g_string_sized_new (512);
text = e_source_mail_identity_get_name (extension);
escaped = (text != NULL) ? g_markup_escape_text (text, -1) : NULL;
if (escaped != NULL && *escaped != '\0')
g_string_append (buffer, escaped);
g_free (escaped);
text = e_source_mail_identity_get_address (extension);
escaped = (text != NULL) ? g_markup_escape_text (text, -1) : NULL;
if (escaped != NULL && *escaped != '\0')
g_string_append_printf (
buffer, " <<a href=\"mailto:%s\">%s</a>>",
escaped, escaped);
g_free (escaped);
text = e_source_mail_identity_get_organization (extension);
escaped = (text != NULL) ? g_markup_escape_text (text, -1) : NULL;
if (escaped != NULL && *escaped != '\0')
g_string_append_printf (buffer, "<br>%s", escaped);
g_free (escaped);
context->length = buffer->len;
context->contents = g_string_free (buffer, FALSE);
context->is_html = TRUE;
g_object_unref (source);
}
static void
mail_signature_combo_box_load_cb (ESource *source,
GAsyncResult *result,
GSimpleAsyncResult *simple)
{
ESourceMailSignature *extension;
LoadContext *context;
const gchar *extension_name;
const gchar *mime_type;
GError *error = NULL;
context = g_simple_async_result_get_op_res_gpointer (simple);
e_source_mail_signature_load_finish (
source, result, &context->contents, &context->length, &error);
if (error != NULL) {
g_simple_async_result_set_from_error (simple, error);
g_simple_async_result_complete (simple);
g_object_unref (simple);
g_error_free (error);
return;
}
extension_name = E_SOURCE_EXTENSION_MAIL_SIGNATURE;
extension = e_source_get_extension (source, extension_name);
mime_type = e_source_mail_signature_get_mime_type (extension);
context->is_html = (g_strcmp0 (mime_type, "text/html") == 0);
g_simple_async_result_complete (simple);
g_object_unref (simple);
}
void
e_mail_signature_combo_box_load_selected (EMailSignatureComboBox *combo_box,
gint io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GSimpleAsyncResult *simple;
ESourceRegistry *registry;
LoadContext *context;
ESource *source;
const gchar *active_id;
g_return_if_fail (E_IS_MAIL_SIGNATURE_COMBO_BOX (combo_box));
context = g_slice_new0 (LoadContext);
simple = g_simple_async_result_new (
G_OBJECT (combo_box), callback, user_data,
e_mail_signature_combo_box_load_selected);
g_simple_async_result_set_op_res_gpointer (
simple, context, (GDestroyNotify) load_context_free);
active_id = gtk_combo_box_get_active_id (GTK_COMBO_BOX (combo_box));
if (active_id == NULL) {
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
return;
}
if (g_strcmp0 (active_id, E_MAIL_SIGNATURE_AUTOGENERATED_UID) == 0) {
mail_signature_combo_box_autogenerate (combo_box, context);
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
return;
}
registry = e_mail_signature_combo_box_get_registry (combo_box);
source = e_source_registry_ref_source (registry, active_id);
/* If for some reason the ESource lookup fails, handle it as
* though "None" were selected. No need to report an error. */
if (source == NULL) {
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
return;
}
e_source_mail_signature_load (
source, io_priority, cancellable, (GAsyncReadyCallback)
mail_signature_combo_box_load_cb, simple);
g_object_unref (source);
}
gboolean
e_mail_signature_combo_box_load_selected_finish (EMailSignatureComboBox *combo_box,
GAsyncResult *result,
gchar **contents,
gsize *length,
gboolean *is_html,
GError **error)
{
GSimpleAsyncResult *simple;
LoadContext *context;
g_return_val_if_fail (
g_simple_async_result_is_valid (
result, G_OBJECT (combo_box),
e_mail_signature_combo_box_load_selected), FALSE);
simple = G_SIMPLE_ASYNC_RESULT (result);
context = g_simple_async_result_get_op_res_gpointer (simple);
if (g_simple_async_result_propagate_error (simple, error))
return FALSE;
if (contents != NULL) {
*contents = context->contents;
context->contents = NULL;
}
if (length != NULL)
*length = context->length;
if (is_html != NULL)
*is_html = context->is_html;
return TRUE;
}
